Records of the Geological Survey of India, Volume 129, Parts 4-5The Survey, 1994 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
From inside the book
Results 1-3 of 61
Page 16
... pegmatites and to collect trench and bedrock samples for Au , Ag , rare earths and asso- ciated metals . A pegmatite - bearing zone extend- ing for 60 sq km length has been delineated and 310 cu m of trenching with collection of 728 ...
... pegmatites and to collect trench and bedrock samples for Au , Ag , rare earths and asso- ciated metals . A pegmatite - bearing zone extend- ing for 60 sq km length has been delineated and 310 cu m of trenching with collection of 728 ...
Page 48
... pegmatite or in colluvium derived from the pegmatite . The occurrences are sporadic and spread over large areas right from Araku val- ley in Visakhapatnam to Addatigala in East Godavari district . In all the areas examined in Araku and ...
... pegmatite or in colluvium derived from the pegmatite . The occurrences are sporadic and spread over large areas right from Araku val- ley in Visakhapatnam to Addatigala in East Godavari district . In all the areas examined in Araku and ...
Page
... pegmatite veins . Copper minerali- sation consisting of chalcopyrite , bornite and covellite are also seen in the form of stringers and disseminations in association with molybdenite flakes . The mineralised pegmatite body is about 200 ...
... pegmatite veins . Copper minerali- sation consisting of chalcopyrite , bornite and covellite are also seen in the form of stringers and disseminations in association with molybdenite flakes . The mineralised pegmatite body is about 200 ...
Contents
Resource Survey for dimensional stones of Mylliem Granite East Khasi Hills District Meghalaya | 4 |
ASSAM PROJECT 6 GEOLOGICAL MAPPING | 12 |
An Overview | 1 |
Copyright | |
7 other sections not shown
Other editions - View all
Common terms and phrases
amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly Arunachal Pradesh Assam assessment auriferous banded iron formation beach bedrock BIF bands biotite block boreholes carried charnockite chert clay comprising delineated deposits depth dips dolerite drilling dykes east eastern emplaced ENE-WSW excavated exposed field season folds foliation Formation gabbro geochemical GEOLOGICAL MAP geophysical geotechnical investigations gneiss grade grained granite granite gneiss granulite gravity grey Group hill hornblende indicated intrusives joints KARNATAKA KERALA kimberlite laterite limestone lineament located mafic magnetic Meghalaya metabasalt migmatites mineral mineralised zones NE-SW NW-SE occur overburden pegmatite phyllite pink power house PROJECT pyrite quartz quartz veins quartzite regional ridge river rock types samples sand sandstone scale schist belt schistose sediments shale shear zone Shillong slope soil Specialised Thematic Mapping sq km strike length structural studies sulphides surface surveys TAMIL NADU thick traverses trenching trending tunnel ultramafic upto valley volcanics weathered width